message integrity check message integrity code
bolting
筛
抽苔
抽薹
筛分
现蕾
筛选
抽条
抽薹期
抽薹调查
锚喷支护
螺栓连接
栓接
锚杆
栓固
锚固
锚杆支护
修复
用螺栓连接
用螺栓联结
螺栓联接
螺接
Bolting and grouting reinforcement
BOLTING AND GROUTING SUPPORT
Bolting and shotcrete lining
Bolting and shotcreting
Bolting and shotcreting support
Bolting and Shotcreting Technology
Bolting and Shotcreting with Wire Mesh
Bolting and Shotcreting with Wire Mesh Supporting